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Claim Adjustment Reason Code

EOB denial code PR-26: what it means

CARCPR

PR-26CARCPRAppealability depends

What it means

The service happened before your coverage started, so the plan did not pay for it.

Patient Responsibility — an amount the patient owes, such as a deductible, copay, coinsurance, or non-covered service.

Official X12 description

Expenses incurred prior to coverage

Typical cause

The date of service is earlier than your plan's effective date, or coverage had not yet begun.

What to do next

  1. 1Verify your coverage effective date against the date of service.
  2. 2If your coverage actually started earlier, send proof of the effective date to your insurer.
Last verified June 16, 2026Reviewer signoff pending (dev preview)

Primary sources

The official short description above is transcribed verbatim from the X12 published code list.